Dell’s Project Sputnik laptop is now for sale on dells website.  Dell’s XPS 13 Developer Edition is the first in there new line of linux computers.

http://www.dell.com/us/soho/p/xps-13-linux/pd.aspx

Project Sputnik is an open, six-month product exploration by Dell to help identify what developers want in a laptop.

The XPS 13 Developer Edition comes with Ubuntu 12.04 pre-installed, and starts at $1,549 and comes with 1 Year ProSupport with 1 Year NBD Limited Onsite Service After Remote Diagnosis.

The laptops hardware specs are as followed:

Processor: Intel® Core™ i7 (4M Cache, up to 3.0 GHz)

Operating System: Ubuntu 12.04

Screen: 13.3″ HD 720p

Ram: 8GB2 DDR3 SDRAM at 1600MHz

Hard Drive: 256GB Solid State Drive

Video Card: Intel HD 4000

Weight: 2.99 lbs

I want to point out as well Ubuntu Ultrabook is $50 more than the Windows version.  But again no Anti-virus, Office or other extras needed all is included since most Linux software is free and open source.